/* udis86 - libudis86/udis86.c
*
* Copyright (c) 2002-2013 Vivek Thampi
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
*     * Redistributions of source code must retain the above copyright notice,
*       this list of conditions and the following disclaimer.
*     * Redistributions in binary form must reproduce the above copyright notice,
*       this list of conditions and the following disclaimer in the documentation
*       and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/

#include "udis86.h"
#include "udis86_udint.h"
#include <string.h>

void ud_init(struct ud* u, uint8_t m)
{
	memset((void*)u, 0, sizeof(struct ud));
	u->mnemonic = UD_Iinvalid;
	u->pc = 0;
	switch (m) {
	case 16:
	case 32:
	case 64: u->dis_mode = m; return;
	default: u->dis_mode = 16; return;
	}
}

static void ud_inp_init(struct ud *u)
{
	u->inp_buf = NULL;
	u->inp_buf_size = 0;
	u->inp_buf_index = 0;
	u->inp_curr = 0;
	u->inp_ctr = 0;
	u->inp_end = 0;
}

void ud_set_input_buffer(register struct ud* u, const uint8_t* buf, size_t len)
{
	ud_inp_init(u);
	u->inp_buf = buf;
	u->inp_buf_size = len;
	u->inp_buf_index = 0;
}
